Page 2 - TR 250M-6

TR-250M-6-00101

TR-250M

CRANE SPECIFICATIONS

CRANE CAPACITY SINGLE TOP
9.5m Boom 25,000kg at 3.5m ( 8part-line) Single sheave. Mounted on main boom head for single
16.5m Boom 19,000kg at 4.0m ( 6part-line) line work.
23.5m Boom 12,500kg at 5.0m ( 4part-line) HOIST
30.5m Boom 7,000kg at 8.0m ( 4part-line) Driven by hydraulic motor and via spur gear reducer.
8.0m Jib 3,000kg at 72˃ ( 1part-line) With free-fall device.
13.0m Jib 2,000kg at 76˃ ( 1part-line)
Automatic brake (with foot brake for free-fall device)
Single top 3,500kg ( 1part-line) 2 single winches
MAX.LIFTING HEIGHT With flow regulator valve with pressure compensation
Boom 31.3m BOOM ELEVATION
Jib 44.2m
1 double-acting hydraulic cylinder
MAX.WORKING RADIUS With flow regulator valve with pressure compensation
Boom 28.0m SWING
Jib 35.0m
Hydraulic motor driven planetary gear reducer
BOOM LENGTH Swing bearing
9.5m - 30.5m Swing free/lock changeover type
BOOM EXTENSION Negative brake
21.0m OUTRIGGERS
BOOM EXTENSION SPEED Fully hydraulic X-type (floats mounted integrally)
Slides and jacks each provided with independent
21.0m/90s
operation device.
JIB LENGTH
Fully extended width 6.3m
8.0m, 13.0m Middle extended width 5.9m, 5.0m
MAIN WINCH SINGLE LINE SPEED Minimum extended width 3.6m
120m/min (4th layer) OPERATION METHOD
MAIN WINCH HOOK SPEED Hydraulic pilot valve operation
15.0m/min (8 part-line) MAX. VERTICAL LOAD CAPACITY OF OUTRIGGER
AUXILIARY WINCH SINGLE LINE SPEED 26.7t
120m/min (4th layer) HYDRAULIC PUMPS
AUXILIARY WINCH HOOK SPEED 2 variable piston pumps
120m/min (1 part-line) 2 gear pumps
BOOM ELEVATION ANGLE HYDRAULIC OIL TANK CAPACITY
0˃- 83˃ 380 liters
BOOM ELEVATION SPEED SAFETY DEVICES
/
0˃- 83˃45s Automatic moment limiter (AML)
SWING ANGLE Swing automatic stop device
360˃continue Over-winding cutout device
Working area control device
SWING SPEED Free-fall interlock device
2.6rpm
Outrigger extension width detector
WIRE ROPE Winch drum lock
Main Winch Level gauge
16mm x 170m (Diameter x Length) Hook safety latch
Spin-resistant wire rope Hydraulic safety valve
Auxiliary Winch Telescopic counterbalance valve
16mm x 98m (Diameter x Length) Elevation counterbalance valve
Spin-resistant wire rope Power tilt counterbalance valve
BOOM Jack pilot check valve
4-section hydraulically telescoping boom of box Swing lock
construction EQUIPMENT
(stage 2: sequential; stages 3,4: synchronized) Air-conditioner with dehumidifier
BOOM EXTENSION Hydraulic oil temperature indication lamp
2 double-acting hydraulic cylinders Radio
Oil cooler
1 wire rope type telescoping device
Visual-type winch drum rotation indicator
JIB
Operation pedals
Quick-turn type (2-staged type which stores alongside ISO arrangement: for telescoping/auxiliary hoisting
below the base boom section and extendible from under
TADANO arrangement: for elevating/telescoping
the boom (with 2nd stage being a pull-out type)) Television (option)
Hydraulic non-stage offset (5˃ - 45˃) type

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